Receivable From And Payable To Brokers, Dealers And Clearing Organizations (Securities Borrowing And Lending Business, Receivables And Related Collateral) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Jun. 30, 2013
Receivable From And Payable To Brokers, Dealers And Clearing Organizations [Abstract]
Securities Borrowed, Gross amounts of recognized assets/liabilities	$ 1,878,752		$ 1,546,376
Securities Borrowed, Gross amounts offset in the statement of financial position
Securities Borrowed, Net amounts of assets presented in the statement of financial position	1,878,752		1,546,376
Securities Borrowed, Gross amounts not offset in the statement of financial position, Financial instruments	(1,878,752)		(1,546,376)
Securities Borrowed, Gross amounts not offset in the statement of financial position, Collateral
Securities Borrowed, Gross amounts not offset in the statement of financial position, Net Amount
Securities Loaned, Gross amounts of recognized assets/liabilities	1,834,089	[1]	1,471,319	[1]
Securities Loaned, Gross amounts offset in the statement of financial position		[1]		[1]
Securities Loaned, Net amounts of assets presented in the statement of financial position	1,834,089	[1]	1,471,319	[1]
Securities Loaned, Gross amounts not offset in the statement of financial position, Financial instruments	(1,834,089)	[1]	(1,471,319)	[1]
Securities Loaned, Gross amounts not offset in the statement of financial position, Collateral		[1]		[1]
Securities loaned, Gross amounts not offset in the statement of financial position		[1]		[1]

[1] Under securities lending agreements, SWS repledged $1,807,198,000 and $1,452,911,000 at June 30, 2014 and 2013, respectively.